//Code by Daylife
#include <bits/stdc++.h>
using namespace std;

int n, cnt[100005];

int main(){
    freopen("duel.in", "r", stdin);
    freopen("duel.out", "w", stdout);
    scanf("%d", &n);
    for(int i=1; i<=n; i++){
        int x;
        scanf("%d", &x);
        cnt[x]++;
    }
    int maxv=-1;
    for(int i=1; i<=100000; i++) maxv = max(maxv, cnt[i]);
    printf("%d", maxv);
    return 0;
}
